clarify by introducing GGA_C_B3LYP_x_qe

parser/parser-quantum-espresso/QuantumEspressoXC.py

@@ -1157,7 +1157,9 @@ LIBXC_SHORTCUT = {
     },
     "0.810*GGA_C_LYP+GGA_X_B88+0.190*LDA_C_VWN": {
         'xc_terms': [{
-            'XC_functional_name': "GGA_XC_B3LYP_x_qe",
+            'XC_functional_name': "GGA_X_B88",
+        }, {
+            'XC_functional_name': "GGA_C_B3LYP_x_qe",
         }]
     },
     "GGA_C_PBE+0.750*GGA_X_PBE+0.250*HF_X": {

test/xc_functionals/refactor_test/testuite-xc.ref.log

@@ -666,7 +666,7 @@ qe_xc: 0.20 B3LYP ( 7 12  9  7 0 0)
 ]
 qe_xc: 0.00 B3LYP ( 7 12  9  7 0 0)
 {
-  "XC_functional": "GGA_XC_B3LYP_x_qe",
+  "XC_functional": "GGA_C_B3LYP_x_qe+GGA_X_B88",
   "x_qe_xc_icorr": 12,
   "x_qe_xc_icorr_comment": "B3LYP (0.19*vwn+0.81*lyp)",
   "x_qe_xc_icorr_name": "b3lp",
@@ -682,7 +682,10 @@ qe_xc: 0.00 B3LYP ( 7 12  9  7 0 0)
 }
 [
   {
-    "XC_functional_name": "GGA_XC_B3LYP_x_qe"
+    "XC_functional_name": "GGA_C_B3LYP_x_qe"
+  },
+  {
+    "XC_functional_name": "GGA_X_B88"
   }
 ]
 qe_xc: 0.00 SLA  PW PBX  PBC (1434)